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R1Kemp.f
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!== last modified 6-04-2008
SUBROUTINE R1KEMP(VOLEQ,HTTOT,DBHOB,VOL,LIVE,PROD,TLOGS,errflag)
C PURPOSE: THIS ROUTINE CALCULATES GROSS & NET BOARD & CUBIC
C VOLUMES IN ENGLISH OR METRIC INCLUDING PRODUCT & POLE VOL
C INTERNAL SUBROUTINE R1LOGS
CHARACTER*1 LIVE
CHARACTER*2 PROD
CHARACTER*10 VOLEQ
INTEGER ISPEC,JTAB,I,ERRFLAG,IWHEN,KLASS,NONSAW
REAL VOL(15),HTTOT,DBHOB,D2H100,BFGRS,CBGRS,BFNET
REAL BFVOL(15,5,4),CBVOLE(15,11),TLOGS,CBSAW
C****************************************
C DATA STATEMENTS *
C****************************************
C BLOCK DATA
C INITIALIZATION OF VARIABLES IN COMMON BLOCKS
C MISCELLANEOUS
C SPECIES - 2 NAMES FOR EACH...
C DATA NAMSPC/'QA','QA ','CW','CW ','GF ','GF ','AF','AF ','L ',
C *'L ','S ','S ','WB ','WB ','LP ','LP ','WP ','WP ','PP ','PP ',
C *'DF ','DF ','C ','C ','MH ','MH ','TOT','TOT'/, IETFOR/1,2,8,9,
C *11,12,15/, INDXP1/5,8,11,12/, INDXP2/4*0,1,2*0,2,2*0,3,4,0/,
C &MNGLST/'NONE',19*' '/
C BOARD FOOT VOLUME - 01 TABLES
C AS,CW,GF,AF,WL,S,WBP,LP,WP,PP,DF,C,H,J,PY - IN ORDER, ONE LINE EACH
DATA (BFVOL(1,1,I),I=1,4)/1.197,-18.544,1.216,-21.309/,
*(BFVOL(2,1,I),I=1,4)/1.046,-15.966, 1.140, -46.735/,
*(BFVOL(3,1,I),I=1,4)/1.293, -34.127, 1.218, 10.603/,
*(BFVOL(4,1,I),I=1,4)/1.011, -11.403, 0.694, 124.425/,
*(BFVOL(5,1,I),I=1,4)/0.997, -29.790, 0.841, 85.150/,
*(BFVOL(6,1,I),I=1,4)/1.149, -11.851, 1.158, 1.620/,
*(BFVOL(7,1,I),I=1,4)/1.208, -8.085, 1.103, 14.111/,
*(BFVOL(8,1,I),I=1,4)/1.208, -8.085, 1.103, 14.111/,
*(BFVOL(9,1,I),I=1,4)/1.189, -26.729, 1.181, -32.516/,
*(BFVOL(10,1,I),I=1,4)/1.201, -50.340, 1.595, -298.784/,
*(BFVOL(11,1,I),I=1,4)/1.003, -25.332, 1.011, -9.522/,
*(BFVOL(12,1,I),I=1,4)/0.878, -10.742, 0.799, -4.064/,
*(BFVOL(13,1,I),I=1,4)/1.203, -37.314, 1.306, -50.680/
*(BFVOL(14,1,I),I=1,4)/1.208, -8.085, 1.103, 14.111/,
*(BFVOL(15,1,I),I=1,4)/0, 0, 0, 0/
C BOARD FOOT 02 TABLES - WBP,LP,PP,DF - IN ORDER, ONE LINE EACH
DATA (BFVOL(7,2,I),I=1,2)/0.0135436, -33.632/,
* (BFVOL(8,2,I),I=1,2)/0.0135436, -33.632/,
* (BFVOL(10,2,I),I=1,3)/1.6399, -1.01249, -4.60157/,
* (BFVOL(11,2,I),I=1,3)/0.848633, 0.000102364, -9.84419/
C BOARD FOOT 03 TABLES - LP,PP - IN ORDER, ONE LINE EACH
DATA (BFVOL(7,3,I),I=1,2)/1.1656, -13.5219/,
* (BFVOL(8,3,I),I=1,2)/1.1656, -13.5219/,
* (BFVOL(10,3,I),I=1,3)/1.8422, 1.11986, -2.78156/
C BOARD FOOT 04 TABLE - PP
DATA (BFVOL(10,4,I),I=1,3)/0.17148, -1.97703, 7.034/
C BOARD FOOT 05 TABLE - PP
DATA (BFVOL(10,5,I),I=1,3)/0.13412, -1.65764, 7.4384/
C CUBIC FOOT VOLUME TABLES
C AS
DATA (CBVOLE(1,I),I=1,8)/0.3482, -0.0384, 0.001427, -0.842503,
*0.224, -0.343, 0.217, 1.071/
C CW
DATA (CBVOLE(2,I),I=1,8)/0.1064, -0.00778, 0.000176, -0.265342,
*0.204, -0.749, 0.194, 4.285/
C GF
DATA (CBVOLE(3,I),I=1,11)/0.3386, -0.03359, 0.001109, -0.918645,
*0.219, -0.563, 0.197, 9.969, .2153, -0.00167, .50/
C AF
DATA (CBVOLE(4,I),I=1,11)/0.4529, -0.052, 0.002003, -1.113416,
*0.183, 1.449, 0.117, 26.222, .2153, .00167, .67/
C WL
DATA (CBVOLE(5,I),I=1,11)/0.4172, -0.04693, 0.001782, -1.086592,
*0.17, -0.056, 0.132, 19.409, .1922, .09023, .35/
C S
DATA (CBVOLE(6,I),I=1,11)/0.2619, -0.02345, 0.000671, -0.716502,
*0.214, 0.48, 0.174, 19.041, .2306, .14528, .35/
C WB
DATA (CBVOLE(7,I),I=1,11)/0.6808, -0.07974, 0.003113, -1.692512,
*0.221, 1.052, .197, 5.369, .2306, .14528, .35/
C LP
DATA (CBVOLE(8,I),I=1,11)/0.6808, -0.07974, 0.003113, -1.692512,
*0.221, 1.052, 0.197, 5.369, .2306, .14528, .35/
C WP
DATA (CBVOLE(9,I),I=1,11)/0.4544, -0.05119, 0.001945, -1.14765,
*0.206, 0.166, 0.194, 4.508, .2306, .14528, .35/
C PP
DATA (CBVOLE(10,I),I=1,11)/0.4041, -0.04535, 0.001726,-1.054732,
*0.203, -1.656, 0.218, -9.637, .2306, .14528, .25/
C DF
DATA (CBVOLE(11,I),I=1,11)/0.5125, -0.05817, 0.002208,-1.320519,
*0.178, 0.437, 0.165, 7.702, 0.1795, 0.16949, 0.47/
C C
DATA (CBVOLE(12,I),I=1,11)/0.3349, -0.03565, 0.001273,-0.851441,
*0.174, 1.141, 0.146, 8.931, 0.1922, 0.09023, 0.67/
C H
DATA (CBVOLE(13,I),I=1,11)/0.2213, -0.01913, 0.000533,-0.635045,
*0.209, -0.991, 0.210, 2.544, 0.2153, -0.00167, 0.43/
C J
DATA (CBVOLE(14,I),I=1,11)/0.0, 0.0, 0.0, 0.0,
*0.211, -0.597, 0.211,-0.597, 0.0, 0.0, 0.0/
C PY
DATA (CBVOLE(15,I),I=1,11)/0.0, 0.0, 0.0, 0.0,
*0.211, -0.597, 0.211,-0.597, 0.0, 0.0, 0.0/
C BOARD FOOT POLE CONVERSIONS
C WL
C DATA (POLEBF(1,I),I=1,17)/2*26.0, 2*63.0, 2*120.0, 2*240.0,
C *2*343.0, 2*441.0, 5*544.0/
C LP
C DATA (POLEBF(2,I),I=1,17)/2*25.0, 2*57.0, 2*99.0, 11*234.0/
C DF
C DATA (POLEBF(3,I),I=1,17)/2*27.0, 2*80.0, 2*114.0, 2*216.0,
C *9*359.0/
C DATA (POLEBF(4,I),I=1,17)/22.0, 36.0, 50.0, 70.0, 101.0, 161.0,
C *239.0, 261.0, 304.0, 418.0, 462.0, 512.0, 595.0, 736.0, 792.0,
C *892.0, 929.0/
C CUBIC FOOT POLE CONVERSIONS
C WL
C DATA (POLECB(1,I),I=1,17)/2*9.0, 2*12.0, 2*25.0, 2*38.0, 2*65.0,
C *2*90.0, 5*120.0/
C LP
C DATA (POLECB(2,I),I=1,17)/2*7.8, 2*10.9, 2*22.6, 11*32.1/
C DF
C DATA (POLECB(3,I),I=1,17)/2*10.0, 2*17.0, 2*24.0, 2*32.0, 9*69.0/
C DATA (POLECB(4,I),I=1,17)/7.4, 10.4, 14.1, 18.3, 25.4, 34.3, 46.0,
C *54.8, 65.5, 75.0, 86.6, 96.7, 112.5, 120.8, 136.3, 150.0, 170.4/
C-- SET ALL POTENTIAL VOLUMES AND AVG NUM OF TLOGS TO ZERO
DO 10 I=1,15
VOL(I)=0.0
10 CONTINUE
ERRFLAG = 0
C DW 08/22 initializations of BFNET
BFNET = 0
C ASSUMES CRUISES ARE FROM YR 95 ON
IWHEN=9500000
C GO TO SECTION TO PROCESS METRIC OR ENGLISH VOLUMES
C IF (MEASUR .EQ. 1) GO TO 2000 ! never implemented....
C SECTION FOR ENGLISH COMPUTATIONS
D2H100 = DBHOB ** 2 * HTTOT / 100
C********************************************************
C DETERMINE SPECIES NUMBER AND TABLE NUMBER TO BE USED *
C********************************************************
IF (VOLEQ(2:3).EQ.'02') THEN
IF(VOLEQ(8:10).EQ.'746') THEN
ISPEC = 1
ELSEIF(VOLEQ(8:10).EQ.'740') THEN
ISPEC = 2
ELSEIF(VOLEQ(8:10).EQ.'017') THEN
ISPEC = 3
ELSEIF(VOLEQ(8:10).EQ.'019') THEN
ISPEC = 4
ELSEIF(VOLEQ(8:10).EQ.'070' .or. VOLEQ(8:10).EQ.'073') THEN
ISPEC = 5
ELSEIF(VOLEQ(8:10).EQ.'090'.or.VOLEQ(8:10).EQ.'093') THEN
ISPEC = 6
ELSEIF(VOLEQ(8:10).EQ.'101') THEN
ISPEC = 7
ELSEIF(VOLEQ(8:10).EQ.'108') THEN
ISPEC = 8
ELSEIF(VOLEQ(8:10).EQ.'119') THEN
ISPEC = 9
ELSEIF(VOLEQ(8:10).EQ.'122') THEN
ISPEC = 10
ELSEIF(VOLEQ(8:10).EQ.'202') THEN
ISPEC = 11
ELSEIF(VOLEQ(8:10).EQ.'240'.or.VOLEQ(8:10).EQ.'242') THEN
ISPEC = 12
ELSEIF(VOLEQ(8:10).EQ.'260'.or.VOLEQ(8:10).EQ.'263') THEN
ISPEC = 13
ELSEIF(VOLEQ(8:10).EQ.'060') THEN
ISPEC = 14
ELSEIF(VOLEQ(8:10).EQ.'106') THEN
ISPEC = 15
ELSE
ERRFLAG = 1
GO TO 2000
ENDIF
JTAB=1
ELSEIF (VOLEQ(2:3).EQ.'03') THEN
IF(VOLEQ(8:10).EQ.'101') THEN
ISPEC = 7
ELSEIF(VOLEQ(8:10).EQ.'108') THEN
ISPEC = 8
ELSEIF(VOLEQ(8:10).EQ.'122') THEN
ISPEC = 10
ELSEIF(VOLEQ(8:10).EQ.'202') THEN
ISPEC = 11
ELSE
ERRFLAG = 1
GO TO 2000
ENDIF
JTAB=2
ELSEIF (VOLEQ(2:3).EQ.'04') THEN
IF(VOLEQ(8:10).EQ.'108') THEN
ISPEC = 8
ELSEIF(VOLEQ(8:10).EQ.'122') THEN
ISPEC = 10
ELSE
ERRFLAG = 1
GO TO 2000
ENDIF
JTAB=3
ELSEIF (VOLEQ(2:3).EQ.'05') THEN
ISPEC=10
JTAB=4
ELSEIF (VOLEQ(2:3).EQ.'06') THEN
ISPEC=10
JTAB=5
ENDIF
C********************
C DETERMINE KLASS *
C********************
IF (LIVE.EQ.'D'.AND.ISPEC.EQ.8) THEN
KLASS=2
ELSEIF (LIVE.EQ.'D') THEN
KLASS=1
ELSEIF (PROD.EQ.'02') THEN
KLASS=3
C ELSEIF (PROD.EQ.?????) THEN
C KLASS=8
ELSE
KLASS=4
ENDIF
C CALCULATE GROSS BOARD FOOT VOLUME
C JTAB = NTABLE (ISPEC)
GO TO (300,400,500,600,700), JTAB
C
C COMPUTATIONS FOR BOARD FOOT 01 TABLES
C ! for all species
300 IF (DBHOB .LT. 21.0) THEN
BFGRS = BFVOL (ISPEC,1,1) * D2H100 + BFVOL (ISPEC,1,2)
ELSE
BFGRS = BFVOL (ISPEC,1,3) * D2H100 + BFVOL (ISPEC,1,4)
ENDIF
GO TO 1000
C
C COMPUTATIONS FOR BOARD FOOT 02 TABLES
C! for all species
400 IF (ISPEC .EQ. 8 .OR. ISPEC .EQ. 7) THEN
BFGRS = DBHOB**2 * HTTOT * BFVOL(ISPEC,2,1) + BFVOL(ISPEC,2,2)
ELSE IF (ISPEC .EQ.10) THEN
BFGRS = 10**(BFVOL(10,2,1)*LOG10(DBHOB**2*HTTOT)+
> BFVOL(10,2,2)*LOG10(DBHOB) + BFVOL(10,2,3)) * 10.0
ELSE IF (ISPEC .EQ.11) THEN
BFGRS = BFVOL(11,2,1) * D2H100 + BFVOL(11,2,2) * D2H100 **2 +
* BFVOL(11,2,3)
ELSE
GO TO 300
ENDIF
GO TO 1000
C
C COMPUTATIONS FOR BOARD FOOT 03 TABLES
C
500 IF (ISPEC .EQ.10) THEN
BFGRS = 10.0**(BFVOL(10,3,1)*LOG10(DBHOB)+BFVOL(10,3,2)*
* LOG10(HTTOT) + BFVOL(10,3,3))
BFGRS = BFGRS * 10.0
ELSE IF (ISPEC .EQ. 8 .OR. ISPEC .EQ. 7) THEN
BFGRS = BFVOL(ISPEC,3,1) * D2H100 + BFVOL(ISPEC,3,2)
ELSE
GO TO 300
ENDIF
GO TO 1000
C
C COMPUTATIONS FOR BOARD FOOT 04 TABLES
C
600 IF (ISPEC .EQ.10) THEN
BFGRS = DBHOB**2 * BFVOL(10,4,1) + DBHOB * BFVOL(10,4,2) +
* BFVOL(10,4,3)
BFGRS = BFGRS * 10.0
ELSE
GO TO 300
ENDIF
GO TO 1000
C
C COMPUTATIONS FOR BOARD FOOT 05 TABLES
C
700 IF (ISPEC .EQ.10) THEN
BFGRS = DBHOB**2 * BFVOL(10,5,1) + DBHOB * BFVOL(10,5,2) +
* BFVOL(10,5,3)
BFGRS = BFGRS * 10.0
ELSE
GO TO 300
ENDIF
1000 CONTINUE
C
C DEDUCT 20 BF FOR DEAD LP OR DEAD WP (WP CRUISED BEFORE JAN 1,1994)
C
IF (KLASS .EQ. 2 .AND.(ISPEC .EQ. 8 .OR. (ISPEC .EQ. 9 .AND.
& IWHEN .LT. 9400000))) BFGRS = BFGRS - 20.0
C
C CHECK FOR MINIMUM BOARD OOT VOLUME
C! 10 MIN EXCEPT FOR BELOW...
IF (BFGRS .LT. 10.0) BFGRS = 10.0
C
C SET MIN TO 30 FOR DEAD LP OR DEAD WP (WP CRUISED BEFORE JAN 1, 1994)
C
IF ((ISPEC.EQ.8 .OR. (ISPEC .EQ. 9 .AND. IWHEN .LT. 9400000))
& .AND. KLASS .EQ. 2 .AND. BFGRS.LT.30.0) BFGRS = 30.0
C
C CALCULATE GROSS CUBIC FOOT VOLUME
C
IF(ISPEC.EQ.14 .OR. ISPEC.EQ.15)THEN
IF (DBHOB .LT. 5.0) THEN
CBGRS = 0.0
ELSE IF (DBHOB .LE. 20.5 .AND. DBHOB .GE. 5.0) THEN
CBGRS = CBVOLE(ISPEC,5) * D2H100 + CBVOLE(ISPEC,6)
ELSE
CBGRS = CBVOLE(ISPEC,7) * D2H100 + CBVOLE(ISPEC,8)
ENDIF
ELSE
IF (DBHOB .LT. 5.0) THEN
CBGRS = (CBVOLE(ISPEC,9)*D2H100+CBVOLE(ISPEC,10)) *
* CBVOLE(ISPEC,11)
ELSE IF (DBHOB .LE. 9.5 .AND. DBHOB .GE. 5.0) THEN
CBGRS = D2H100 * (CBVOLE(ISPEC,1)*DBHOB + CBVOLE(ISPEC,2) *
* DBHOB**2 + CBVOLE(ISPEC,3)*DBHOB**3 + CBVOLE(ISPEC,4))
ELSE IF (DBHOB .LE. 20.5 .AND. DBHOB .GT. 9.5) THEN
CBGRS = CBVOLE(ISPEC,5) * D2H100 + CBVOLE(ISPEC,6)
ELSE
CBGRS = CBVOLE(ISPEC,7) * D2H100 + CBVOLE(ISPEC,8)
ENDIF
ENDIF
C
C DEDUCT FROM GROSS FOR DEAD LP AND WP (WP CRUISED BEFORE JAN 1, 1994)
C
IF (KLASS .EQ. 2 .AND. (ISPEC .EQ. 8 .OR. (ISPEC .EQ. 9 .AND.
& IWHEN .LT. 9400000))) CBGRS = CBGRS - 3.8
C
C SET CUBIC MINIMUMS FOR GROSS
C
IF (KLASS .EQ. 2 .AND.(ISPEC .EQ. 8 .OR. (ISPEC .EQ. 9 .AND.
& IWHEN .LT. 9400000))) THEN
IF (CBGRS .LT. 4.3) CBGRS = 4.3
ELSE IF (KLASS .LE. 2) THEN
IF (CBGRS .LT. 1.6) CBGRS = 1.6
ELSE IF (KLASS .EQ. 3) THEN
IF (CBGRS .LT. 2.4) CBGRS = 2.4
ELSE
IF (CBGRS .LT. 0.1) CBGRS = 0.1
ENDIF
C
C CALCULATE NET BOARD FOOT VOLUME
C
C IDEF = IDEF + ICB (ISPEC,KLASS+1) ! ADD SEEN AND ADDITIONAL
c IDEF=SDEF1+SDEF2
c IF (IDEF .GT. 100.0) IDEF = 100.0
c BFNET = BFGRS - IDEF * BFGRS / 100.0
C
C CHECK FOR MINIMUM OF 10 BF NET
C
IF (BFNET .LT. 10.0) BFNET = 10.0
C
C MIN OF 30 FOR DEAD LP...
C
IF (ISPEC.EQ.8.AND.KLASS.EQ.2.AND.BFNET.LT.30.0) BFNET = 30.0
C
C CALCULATE CUBIC SAWLOG VOLUME
C
C
C SET NON-SAWLOG PERCENT TO SUM OF BD FT DEFECTS
C
c IF (KLASS .LE. 2 .OR. KLASS .EQ. 8) NONSAW = IDEF
c nonsaw = idef
IF (NONSAW .GT. 100) NONSAW = 100
CBSAW = CBGRS - NONSAW / 100.0 * CBGRS
C
C SET CUBIC MINIMUMS FOR SAWLOG (NET)
C
IF (KLASS .EQ. 2 .AND.(ISPEC .EQ. 8 .OR. (ISPEC .EQ. 9 .AND.
& IWHEN .LT. 9400000))) THEN
IF (CBSAW .LT. 4.3) CBSAW = 4.3
ELSE IF (KLASS .LE. 2) THEN
IF (CBSAW .LT. 0.5) CBSAW = 0.5
ELSE IF (KLASS .EQ. 3) THEN
IF (CBSAW .LT. 2.4) CBSAW = 2.4
ELSE
IF (CBSAW .LT. 0.1) CBSAW = 0.1
ENDIF
C
C CALCULATE OTHER CUBIC VOLUME
C CBOTH = CBGRS * (IALLOC / 100.0) ! CUBIC ALLOCATED TO OTHER PRODS
C
C CALCULATE POLE VOLUME - BOARD FOOT + CUBIC
C
C BFPOLE = 0.0
C CBPOLE = 0.0
C IF (LENPOL .NE. 0) THEN ! TABLE LOOKUP BY HEIGHT CLASS
C J = INDXP2(ISPEC)
C I = (LENPOL / 05 ) - 3
C IF (I .LT. 1) I = 1
C IF (I .GT.17) I = 17
C BFPOLE = POLEBF ( J,I)
C CBPOLE = POLECB ( J,I)
C ENDIF
C***********************************
C WRITE VOLUMES TO THE VOL ARRAY *
C***********************************
VOL(1)=CBGRS
VOL(2)=BFGRS
VOL(3)=BFNET
VOL(4)=CBGRS
VOL(5)=CBSAW
C FIND NUMBER OF TLOGS
if(ispec.lt.14) then
CALL R1LOGS(ISPEC,DBHOB,HTTOT,KLASS,IWHEN,TLOGS)
endif
c RETURN
C SECTION FOR METRIC COMPUTATIONS
2000 CONTINUE
RETURN
END
c**********************************************************
SUBROUTINE R1LOGS (ISPEC,DBHOB,HTTOT,KLASS,IWHEN,TLOGS)
c**********************************************************
C
C THIS ROUTINE CALCULATES MECHANTABLE LENGTH FOR ALL TREES EXCEPT
C FELLED TREES
C VARIABLE DESCRIPTIONS
C MEASUR = ENGLISH OR METRIC UNITS FLAG
C AMERCH = ENGLISH MERCHATABLE LENGTH
C AMRLNE = TALBE OF COEFFICIENTS FOR COMPUTING ENGLISH MERCH LENGTH
C ISPEC =SPECIES INDEX
C HTTOT = TREE HEIGHT
C DBHOB = TREE DBHOB
C
C AS,CW,GF,AF,WL,S,WBP,LP,WP,PP,DF,C,H - IN ORDER, ONE LINE EACH
REAL DBHOB,HTTOT,AMRLNE(13,3),AMERCH,TLOGS
INTEGER ISPEC,MEASUR,KLASS,IWHEN
DATA (AMRLNE(1,I),I=1,3)/0.0,0.0,0.0/
DATA (AMRLNE(2,I),I=1,3)/0.0,0.0,0.0/
DATA (AMRLNE(3,I),I=1,3)/0.769102, 8.17961, -39.81773/
DATA (AMRLNE(4,I),I=1,3)/0.617455, 9.00450, -33.62005/
DATA (AMRLNE(5,I),I=1,3)/0.767457, 11.0658, -53.23026/
DATA (AMRLNE(6,I),I=1,3)/0.788744, 6.25054, -36.74818/
DATA (AMRLNE(7,I),I=1,3)/0.722147, 17.8226, -67.2513/
DATA (AMRLNE(8,I),I=1,3)/0.722147, 17.8226, -67.2513/
DATA (AMRLNE(9,I),I=1,3)/0.596947, 14.6879, -49.13522/
DATA (AMRLNE(10,I),I=1,3)/0.838089, 7.29928, -41.14457/
DATA (AMRLNE(11,I),I=1,3)/0.745249, 6.12528, -31.79443/
DATA (AMRLNE(12,I),I=1,3)/0.741795, 6.29675, -33.11715/
DATA (AMRLNE(13,I),I=1,3)/0.716799, 10.5844, -46.78366/
MEASUR = 0
IF (MEASUR .EQ. 1) GO TO 200
C
C COMPUTE ENGLISH MECHANTABLE LENGTH
C
AMERCH = AMRLNE(ISPEC,1) * HTTOT + AMRLNE(ISPEC,2)*DBHOB**.5 +
> AMRLNE(ISPEC,3)
IF(ISPEC .EQ. 1 .OR. ISPEC.EQ.2) AMERCH = 0.0
C
C DEDUCT FOR DEAD WP (before 94) or dead lp
C
IF ((ISPEC.EQ.8 .OR. (ISPEC.EQ.9 .AND. IWHEN.LT.9400000)) .AND.
> KLASS.EQ.2) AMERCH = AMERCH - 16.5
IF (AMERCH .LT. 0.0) AMERCH = 0.0
TLOGS = AMERCH/16.5
RETURN
C
C COMPUTE METRIC MERCHANTABLE LENGTH
C
200 CONTINUE
RETURN
END
C VARIABLE DESCRIPTION:
C MEASUR = ENGLISH OR METRIC UNITS FLAG
C DBHOB = TREE DBHOB
C HTTOT = TREE HEIGHT
C ISPEC = SPECIES INDEX
C NTABLE = ARRAY FOR VOLUME TABLE SELECTION (has been replaced with VOLEQ)
C BFVOL = TABLE OF BOARD FT VOLUME COEFFICIENTS
C BFGRS = BOARD FT GROSS VOLUME
C CBVOLE = TABLE OF CUBIC FT VOLUME COEFFICIENTS
C CBGRS = CUBIC GROSS VOLUME (1 foot stump to 4" DIB)
C SDEF1 = TREE DEFECT
C ICB = was ARRAY OF ADD'L CULL+BREAK FAC.
C Change to single varible NATCRS' SDEF2
C BFNET = BOARD FT NET VOLUME
C CBSAW = CUBIC SAWLOG VOLUME
C NONSAW = NON-SAWLOG VOLUME PERCENT
C IALLOC = PERCENT ALLOCATED TO OTHER PRODUCTS
C CBOTH = OTHER CUBIC VOLUME
C BFPOLE = BOARD FT POLE VOLUME
C CBPOLE = CUBIC POLE VOLUME
C LENPOL = POLE LENGTH
C POLEBF = TABLE OF COEFFICIENTS FOR BOARD FT POLE VOLUMES
C POLECB = TABLE OF COEFFICIENTS FOR CUBIC FT POLE VOLUMES